Electric foot warmer



FIG. 1 is a first perspective view of an electric foot warmer showing my new design in the first configuration;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a second configuration perspective view of the electric foot warmer;

FIG. 10 is a third configuration perspective view of the electric foot warmer; and,

FIG. 11 is an enlarged view of the selected portion in FIG. 1 .

The broken lines shown in the drawings depict portions of the electric foot warmer in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for an electric foot warmer, as shown and described. 